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sombragris
Not that anyone who reads this would care,
Jun 21, 2007 17:43
but I just stumbled upon another nifty property:
In the expansion of (x1 + x2 + x3 + x4 + ... + xi)n
the coefficient of the term with (x1a1)(x2a2) ... (xiai)
equals n!/((a1!)(a2!)...(an!))
(thanks,
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math
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Comments 5
prophet_elisha
June 21 2007, 23:40:00 UTC
You're right.
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sombragris
June 22 2007, 00:47:54 UTC
i think that's the first time you've ever said that to me.
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prophet_elisha
June 22 2007, 22:20:22 UTC
I think that's the first time you've ever been right. :P
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blargh88
June 22 2007, 00:57:00 UTC
hmm the question now becomes...how did you "stumble" upon that lol?
i'm guessing project euler? :P
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aznstrawbeary
June 22 2007, 18:06:38 UTC
dudeeee that's cool!
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i'm guessing project euler? :P
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